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Suppose there is a class with four people in it, and their overall grades in the...

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Advance Math

Suppose there is a class with four people in it, andtheir overall grades in the course are 85, 92,78, and75.

A. Write down every possible simple random sample of grades withsample sizen= 2.

B. Write down the sample space for the means x of the samples ofsize n= 2.

C. Find the mean of the sampling distribution from (b).

please explain the answers

Answer & Explanation Solved by verified expert
3.9 Ratings (682 Votes)
A Simple Random Sample with Sample Size 2 means that we pick out randomly any two of the four grades given us so this would mean that all possible simple random samples are    See Answer
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